The Research On Information Alternating Technology Based On Ccsds For Advanced Orbit Systems

The technology of space station has become kernel and support of future space engineering. According to the technical demand of our country space station, CCSDS (Consultative Committee for Space Data System) protocol and AOS data system being put in practice are introduced in this paper, and the main differences in data system structure between our country spacecraft and AOS are analyzed in this paper. Operation types, Data system, Communication system, Communication link demand and Network topology structure and so on are analyzed and discussed in detail in this paper. Some key problems to be solved are brought forward. On the base of detailedly analyzing the AOS data system of our country space station, the experiment of crystal growth is chosen to be a simulative data source. In the light of the characteristics of this payload system, choosing correlate AOS operation validates the validity and reliability ofAOS project. It is important to deal with the original data of this experiment according to the AOS data system of CCSDS protocol such as data packing, network transfers, data unpacking and dynamic displaying. The data structures of E? PDU, M桺DU and VCDU format data are designed. In terms of distributed interactive simulation, real-time communication program is designed. The communication software design based on Winsock are developed to validate our country space station AOS project for research and development future space station...